Rupse 7 inch 5.8G 32CH HD Monitor Built-in Lipo Battery Wireless AV Receiver all-in-one for FPV System Built-in 5.8Ghz Dual diversity receiver automatically for best reception Built-in 2CH 5.8Ghz AV output and 1CH AV input Built-in high performance Li-POLYMER Battery: 2450mAH/7.4V Work status OSD display : RSSI indication ; Battery indicator;Channel indication Screen type:TFT LCD Screen/long life, LED backlight